Bug fixes
This commit is contained in:
parent
5e38008773
commit
38f4e5c515
|
@ -32,12 +32,21 @@ def transfer(bag1, amount, bag2):
|
|||
If possible, transfer coins and return True,
|
||||
otherwise, return False and leave bags with same values."""
|
||||
|
||||
# Creates a backup of the bags in case the transfer is not possible
|
||||
bagBackup = (bag1.copy(), bag2.copy())
|
||||
# Uses a support method not to reuse the coins if they will make the process not possible
|
||||
return transferProcess(bag1, amount, bag2, COINS)
|
||||
|
||||
for coin in COINS:
|
||||
|
||||
def transferProcess(bag1, amount, bag2, coins):
|
||||
|
||||
bagBackup = (bag1.copy(), bag2.copy())
|
||||
amountBackup = amount
|
||||
|
||||
firstUsedCoin = None
|
||||
for coin in coins:
|
||||
while amount >= coin and transfer1coin(bag1, coin, bag2) and amount > 0:
|
||||
amount -= coin
|
||||
if firstUsedCoin is None:
|
||||
firstUsedCoin = coin
|
||||
|
||||
if amount == 0:
|
||||
return True
|
||||
|
@ -45,7 +54,10 @@ def transfer(bag1, amount, bag2):
|
|||
for coin in COINS:
|
||||
bag1[coin] = bagBackup[0][coin] if coin in bagBackup[0] else 0
|
||||
bag2[coin] = bagBackup[1][coin] if coin in bagBackup[1] else 0
|
||||
|
||||
if len(coins) == 1:
|
||||
return False
|
||||
return transferProcess(bag1, amountBackup, bag2, COINS[COINS.index(firstUsedCoin)+1:])
|
||||
|
||||
|
||||
def strbag(bag):
|
||||
|
|
Loading…
Reference in New Issue